Directions

Heat 1 tablespoons oil in a 12-inch nonstick skillet over high heat. In two batches, cook steak until lightly browned, turning once, about 2 minutes per batch. Transfer to a plate.

Add remaining teaspoon oil to pan along with garlic and whites of scallions. Cook, tossing often, until fragrant, about 1 minute. Whisk hoisin mixture to combine; add to pan along with scallion greens.